Debian DLA-2754-1 : pywps - LTS security update

high Nessus Plugin ID 153217

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2754 advisory.

- An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.
(CVE-2021-39371)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the pywps packages.

For Debian 9 stretch, this problem has been fixed in version 4.0.0-3+deb9u1.

See Also

https://security-tracker.debian.org/tracker/source-package/pywps

https://www.debian.org/lts/security/2021/dla-2754

https://security-tracker.debian.org/tracker/CVE-2021-39371

https://packages.debian.org/source/stretch/pywps

Plugin Details

Severity: High

ID: 153217

File Name: debian_DLA-2754.nasl

Version: 1.2

Type: local

Agent: unix

Published: 9/12/2021

Updated: 9/12/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2021-39371

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:pywps, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:pywps-doc, p-cpe:/a:debian:debian_linux:pywps-wsgi, p-cpe:/a:debian:debian_linux:python-pywps

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2021

Vulnerability Publication Date: 8/23/2021

Reference Information

CVE: CVE-2021-39371